MC68306FC16B Freescale Semiconductor, MC68306FC16B Datasheet - Page 113

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MC68306FC16B

Manufacturer Part Number
MC68306FC16B
Description
IC MPU INTEGRATED 132-PQFP
Manufacturer
Freescale Semiconductor
Datasheet

Specifications of MC68306FC16B

Processor Type
M683xx 32-Bit
Speed
16MHz
Voltage
5V
Mounting Type
Surface Mount
Package / Case
132-MQFP, 132-PQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Features
-

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6.2.4 Channel A Receiver Serial Data Input (RxDA)
This signal is the receiver serial data input for channel A. Data received on this signal is
sampled on the rising edge of the clock source, with the least significant bit received first.
6.2.5 Channel B Transmitter Serial Data Output (TxDB)
This signal is the transmitter serial data output for channel B. The output is held high
('mark' condition) when the transmitter is disabled, idle, or operating in the local loopback
mode. Data is shifted out on this signal at the falling edge of the clock source, with the
least significant bit transmitted first.
MOTOROLA
INTERFACE
TO CPU
ADDRESS BUS
CONTROL
TIRQ
IRQ
D7–D0
DATA
Figure 6-2. External and Internal Interface Signals
Freescale Semiconductor, Inc.
For More Information On This Product,
INTERNAL
CONTROL
LOGIC
MC68306 USER'S MANUAL
Go to: www.freescale.com
S
E
R
A
M
O
D
U
E
N
T
E
R
N
A
L
B
U
S
L
L
I
I
GENERATOR
BAUD RATE
FOUR-CHARACTER
TRANSMIT BUFFER
FOUR-CHARACTER
TRANSMIT BUFFER
TWO-CHARACTER
TWO-CHARACTER
RECEIVE BUFFER
RECEIVE BUFFER
LOGIC
COUNTER/TIMER
. . .
OUTPUT PORT
CHANNEL A
INPUT PORT
CHANNEL B
16-BIT
X2
X1/CLK
RxDA
TxDA
RxDB
TxDB
6-5

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